GOgroove Portable Kids Penguin Speaker with Dynamic Sound and LED Base - 3.5mm Connection for Laptop, Notebook, Smartphone, Tablet MP3 Player and More Devices Powerful, high excursion speaker offers a powerful sound for your Acer Aspire V Nitro , Apple Macbook Pro , HP 14-an013nr , Lenovo Ideapad 310 , Dell Inspiron and More Laptops! The Groove Pal Jr speaker offers powerful, portable sound at home or on the go! Built-in wrap-around 3.5mm cable makes for easy portability, so you can use it with your favorite multimedia device Equipped with an easy-to-use onboard volume adjustment knob and a power/light switch; Backed by 3 Year Manufacturer's Warranty BACKED BY 3 YEAR MANUFACTURER'S WARRANTY - Join GOgroove Audio and Accessory Power in supporting organizations that help endangered species! Visit AccessoryPower.com/Giving to learn more! TECH SPECS - - Speaker: 3W; 6W Peak / Audio Input: 3.5mm plug / Audio Cable Length: 14.5 inches / Power Input: 3x AAA battery or USB DC 5V / Dimensions: 3.6 x 3.5 x 3 inches / Weight: 0.326 lb.